Dns port Study guides, Class notes & Summaries

3CX Basic Certification Exam Prep |2023/ 2024 Update| 100+ Questions and Verified Answers| 100% Correct Q: If the host running 3CX is also used as a DNS server, is it recommended to relocate 3CX to another host dedicated for 3CX? Answer: Yes Q: Can the internal IP address of 3CX (the NIC IP Address) be changed without the need to reinstall the PBX? Answer: NO Q: When adding DID numbers, under the "DIDs" tab of the SIP Trunk, an inbound rule will also be created autom...

CompTIA Network+ Study Guide: Exam N10-009 (Sybex Study Guide) 6th Edition 2024 with complete solution Table of Contents 1. Cover 2. Table of Contents 3. Title Page 4. Copyright 5. Acknowledgments 6. About the Authors 7. About the Technical Editor 8. Table of Exercises 9. Introduction 1. What Is the Network+ Certification? 2. Why Become Network+ Certified? 3. How to Become Network+ Certified 4. Tips for Taking the Network+ Exam 5. Who Should Read This Book? 6. What Does This Bo...

NCTI FINAL EXAM: PROGRESSION FIELD TECH 3- 4 TEST EXAM| LATEST UPDATE 2023/ 2024| Verified Answers 1. How many fragments will the transmitting device have to create to match the datagram to the segment's 512 maximum transfer unit (MTU) size, having a 1,500-byte datagram, and a 20-byte IP header? ~ Answer: 4 2. What happens to a datagram marked as "do not fragment" if it must be transmitted across a network segment with a maximum transmission unit field (MTU) smaller than the datag...

TCP - Answer - Transmission Control Protocol UDP - Answer - User Datagram Protocol Port 21 - Answer - FTP FTP - Answer - File Transfer Protocol Port 22 - Answer - SSH SSH - Answer - Secure Shell Port 23 - Answer - Telnet Port 25 - Answer - SMTP SMTP - Answer - Simple Mail Transfer Protocol Port 49 - Answer - TACACS TACACS - Answer - Terminal Access Controller Access Control System Port 53 - Answer - DNS DNS - Answer - Domain Name System Port 67 (UDP) - Answ...

CNIT 344 Exam 2 Latest Update with Complete Solutions IPv4 connectionless (the sender doesn't know if the receiver is present or if the packet arrived or if the receiver can read the packet), unreliable (IP does not have the capability to manage and recover from undelivered or corrupt packets, so other protocol layers manage reliability), media independent 32 bits/4 bytes Key piece of the IP Packet Header, length of IPv4 header Type of service Key piece of the IP Packet Header, 8 1-bit fields...

ISOL 534 Quizzes with Answers 2023/24 Cloud providers have a layer of abstraction that hides the complexity of running a datacenter at scale. Which option is the easiest to access this abstraction layer? Management console You Selected Command line interface Software development kit Third party tools and services Q No: 2 Correct Answer Marks: 2/2 What is not required to ssh to an instance on cloud? Name of the instance You Selected All of these Open port 22 Key pair ssh -i ubun...

Local Area Network (LAN) A network that covers a relatively small area such as a building or group of buildings (1.1 & 2.7) Personal Area Network (PAN) - Provides communication for devices owned by a single user that work over a short distance - Bluetooth, IR, NFC, etc. (1.1 & 2.7) LCD (Liquid Crystal Display) Lightweight & Inexpensive - Poor black levels due to Separate Backlight (1.2) TN (twisted nematic) Fast response Times - Low cost - Low Power Use - Limited Viewing Angles (1.2)...

What is the IEEE of Bluetooth? 802.15 WPAN What is WiMAX and it IEEE? -Worldwide Interoperability for Microwave Access -IEEE 802.16 WWAN In cellular broadband there are two types of cellular networks, what are they? Global System for Mobile (GSM) and Code Division Multiple Access (CDMA). GSM is internationally recognized, while CDMA is primarily used in the US. Typically, it is used by rural homeowners and businesses where cable and DSL are not available. It is usually more expensive and...

Name all OSI layers - THE CORRECT ANSWER IS Application, Presentation, Session, Transport, Network, Data Link, Physical. Name all TCP/IP layers - THE CORRECT ANSWER IS Application, Transport, internet, Network Access. Name Four TCP head flags - THE CORRECT ANSWER IS ACK, FIN, SYN, URG, PSH, RST Which layer does HTTP protocl reside in the OSI model. - THE CORRECT ANSWER IS Layer 7, Application. Which layer does Ethernet reside in the OSI model. - THE CORRECT ANSWER IS Layer 2, Data li...

CREST CPSA QUESTIONS AND ANSWERS 2023 (100% VERIFIED) TCP - ANSWER-Transmission Control Protocol UDP - ANSWER-User Datagram Protocol Port 21 - ANSWER-FTP FTP - ANSWER-File Transfer Protocol Port 22 - ANSWER-SSH SSH - ANSWER-Secure Shell Port 23 - ANSWER-Telnet Port 25 - ANSWER-SMTP SMTP - ANSWER-Simple Mail Transfer Protocol Port 49 - ANSWER-TACACS TACACS - ANSWER-Terminal Access Controller Access Control System Port 53 - ANSWER-DN...